What was the name of the river that the Chinese civilization was on? What were they skilled in making?

Yellow river

and the Yangtze river

Explanation:

It was very fertile and they extremely depended on it. Entire dynasties were built on it. Trust me, I'm an Asian.

before, mexicans where an indian tribe but when the spanish took over, they changed their language to spanish.

hope this : d

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).